<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>摇晃小瓶</title>
    <link rel="stylesheet" href="index.css">
</head>
<body>
<div class="bottle">
    <div class="water"></div>
</div>
<div class="bottle-bottom"></div>
</body>
</html>